======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '109'
                                          'artist'  'Cornells'
                                     'text_people'  ''
                                         'release'  'Miserlou'
                                           'title'  'Misirlou (stereo)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-2', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-2', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rock', '90s', 'alternative', 'indie', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-cover or covered-styled;set-cover or covered'
                                             'bpm'  '110.845'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Miserlou'
'TBPM' (BPM (beats per minute))                     '110.845'
'TCON' (Content type, a.k.a. Genre)                 ['set-cover or covered-styled',
 'set-cover or covered-styled',
 'set-cover or covered']
'TIT2' (Title/songname/content description)         'Misirlou (stereo)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cornells'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', '90s', 'alternative', 'indie', 'pop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.677317'

========================== row from database ==========================
                                              'id'  1353140
                                            'path'  /data/Music/Bulk/00poprockelectronic/Versions - MISIRLOU/Cornells - Misirlou (stereo).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  109
                                           'genre'  set-cover or covered-styled;set-cover or covered
                                        'filesize'  2642172
                                           'mtime'  1638544588
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Versions MISIRLOU set cover covered styled;set cover covered
                                      'tag_artist'  Cornells
                                     'tag_release'  Miserlou
                                       'tag_title'  Misirlou (stereo)
                                             'bpm'  110.845
                                    'search_title'  'misirlou':1 'stereo':2,3
                                   'search_artist'  'cornells':1
                                  'search_release'  'miserlou':1
                                     'search_rest'  '00poprockelectronic':1 'cover':5 'covered':6 'misirlou':3 'set':4,8,10 'styled':7,9 'versions':2
                                    'search_combo'  '00poprockelectronic':6 'cornells':4B 'cover':10 'covered':11 'miserlou':5C 'misirlou':1A,8 'set':9,13,15 'stereo':2A,3A 'styled':12,14 'versions':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock', '90s', 'alternative', 'indie', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638544587.7433991  (2021-12-03 16:16:27)
                             'size'  2642172